Best Practices for a Successful Office 365 Tenant to Tenant Migration

Written By

Published on
April 27th, 2023

Updated on
January 3, 2024

6 minutes Read

Summary: Office 365 tenant to tenant migration can be complex and require careful planning to ensure a successful outcome. Some best practices for a successful migration include establishing a clear migration plan and testing & validating the migration process. It is also essential to consider third-party migration tools like Office 365 Backup Tool to minimize downtime and ensure a seamless transition.

Office 365 Tenant accounts are the sub-user accounts added under the Office Admin ID. These types of accounts are generally used by small and medium-sized enterprises. However, due to mergers and acquisitions, Consolidation, Rebranding, and many other company activities, users may need to perform Office 365 tenant to tenant migrations.

What are the Benefits of Tenant to Tenant Migration in Microsoft 365?

There are a lot of advantages of performing the Microsoft tenant to tenant migration process, like:

  • Tenant-to-tenant migration allows businesses to consolidate their Office 365 resources into a single tenant which leads to improved business efficiency.
  • Migrating to a new tenant helps businesses to ensure compliance with regulations.
  • By migrating to a new tenant, businesses can leverage new tools and features that were not available in the previous tenant.
  • Upgrading to a newer version of Office 365 brings improved stability and performance.
  • Consolidating resources into a single tenant can simplify the management of Office 365.

Now, let’s move further and learn some ways how you can implement Microsoft tenant to tenant migrations without any hurdles.

Best Solution to Perform Office 365 Tenant to Tenant Migration 

MacSonik Office 365 Backup Tool is the best way to smoothly transfer between one Office Tenant Account to another. It is a versatile tool with several advanced functions and easy to navigate interface. With this utility, you can easily backup Office 365 data into more than 20 file formats/email clients.

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Microsoft 365 Tenant to Tenant Migration Step by Step

1. Install the MacSonik Office 365 Backup Tool and Open it.

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2. Tick the Modern Authentication option and Enter the email address of the O365 parent ID.

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3. Authenticate the Sign In procedure and tick the Assign Impersonation option.

4. After this, click on the Import CSV option and make sure that the CSV file contains all the Office 365 Tenant email addresses.

5. The tool will display all the sub-user accounts added to the parent ID.

6. Choose the tenant ID whose data you want to transfer, choose the Backup Option, and click Next.

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7.Here you will find the list of all the mailbox items present in the selected ID, tick the required items and proceed to Next.

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8. Now, choose Office 365 account from the Save-as list, click Modern Authentication, and authenticate the login process of the destination tenant.

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9. After the authentication process, opt for other additional features of the tool and click Next.

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10. Lastly, click Convert to Complete the O365 tenant to tenant migration process.

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Why Go with MacSonik Office 365 Backup Tool?

  • Round the Clock User Assistance.
  • Customizable Resultant Files.
  • User-Friendly Interface.
  • 100% safe and accurate backup/migration.

Other than this, there is also a manual way to perform Office 365 tenant-to-tenant transfer. Various websites are suggesting a long and complicated manual procedure, whereas there is a simple and easy-to-use manual procedure to migrate small-size mailbox data. Have a look at it below.

Tenant to Tenant Migration Without Tool – Native Approach

This manual procedure includes two stages, you will have to accomplish each stage to complete the whole process effectively.

Part 1: Add Office 365 Tenant Account to Outlook

  1. Go to Outlook Application on your Mac machine.
  2. Click the Tools option in the Outlook Application and tap Accounts.
  3. Now, hit the + icon at the bottom left corner and select New Account.
  4. Provide the Office 365 Tenant account address and Password and add the account in Outlook.
  5. Lastly, click Done to complete the process.
  6. Follow this process two times to add both source and destination Office 365 Tenant accounts.

Part 2: Perform Office 365 Tenant to Tenant Migration using Outlook

Once the Accounts are added successfully, let’s learn the steps to perform this Office 365 migration tenant to tenant.

  1. Again Open MS Outlook on your Mac machine.
  2. Go to the source Office 365 tenant account, from where you want to migrate the data.
  3. Choose the folder you require to migrate and right-click on it.
  4. Click on the Copy Folder option.
  5. In this panel, type the name of the destination folder in the search box.
  6. Select the required folder of the destination Office 365 Tenant account.
  7. Lastly, click Copy to start Office 365 tenant to tenant migrations process.

This is how you can perform Office 365 migration tenant to tenant manually on your Mac. Though there are certain limitations that you may face while performing Office 365 tenant-to-tenant migration process. Have a quick look at them below.

What are the challenges of tenant to tenant migration in Office 365?

There are certain challenges that you might face while performing this tenant to tenant migration Office 365.

  • It will become a necessity to migrate the folders one by one, which will consume a lot of time.
  • You might face difficulty in migrating large-sized mailbox data.
  • You might seek technical assistance while performing tenant to tenant migration Office 365 manually.
  • This process is time-consuming, it requires patience to execute the whole process thoroughly.

Final Words

Now, it depends on you to choose the appropriate migration solution. However, it is recommended to use the manual solution when you have fewer mailbox data or have deep technical knowledge. Otherwise, if you require a quick and smooth Office 365 tenant to tenant migration, you should use the professional Office 365 Backup Tool. It also migrate Office 365 to Amazon Workmail, Gmail, Yahoo, iCloud, and IMAP mailbox.

Frequently Asked Questions

Q. What are the migration limits for Office 365?

Ans. You can migrate 2000 mailboxes from your exchange organization to Office 365. However, if you are performing the process using MS Outlook, you will face issues in adding and transferring large-sized mailbox items only.

Q. What is cross-tenant migration?

Ans. It refers to the migration of data between Office 365 tenants of different organizations. The source and destination tenants use different domains and may include additional data such as OneDrive, SharePoint, and Teams.

Q. What is the best Microsoft 365 tenant-to-tenant migration tool?

Ans. MacSonik Office 365 Backup Tool is the best tool for Microsoft 365 tenant-to-tenant migration. This tool is a simple solution for all O365 backup and migration needs. It can help you perform tenant-to-tenant migration in just a few steps and complete it without any hassle.

Q. Can you link two Office 365 tenants?

Ans. Yes, you can link two Office 365 tenants using Azure AD Connect. It allows for cross-tenant collaboration and resource sharing and maintains separate user accounts and data.

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